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$1,399.99
Forged Street SB Chevy 383 Rotating Assembly, 5.7 In I-Beam Rods
Forged Street SB Chevy 383 Rotating Assembly, 5.7 In I-Beam Rods

Forged Street SB Chevy 383 Rotating Assembly, 5.7 In I-Beam Rods

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Forged Street SB Chevy 383 Rotating Assembly, 5.7 In I-Beam Rods
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Forged Street SB Chevy 383 Rotating Assembly, 5.7 In I-Beam Rods
Forged Street SB Chevy 383 Rotating Assembly, 5.7 In I-Beam Rods
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Part # 9151232
$1,399.99
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Garage Sale - Icon Forged Chevy 383 Pistons - Dished
Garage Sale - Icon Forged Chevy 383 Pistons - Dished
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Details

Piston Material:
Hypereutectic Aluminum
Connecting Rod Type:
I-Beam
Connecting Rod Length:
5.700"
Crankshaft Material:
Forged 4340 Steel
Rear Main Seal Style:
2-piece
Main Journal Style:
350 mains
Piston Style:
Dish
Piston Ring Style:
A
Piston Weight:
486 grams
Wrist Pin Weight:
125 grams
Wrist Pin Diameter:
.9272"
Stroke:
3.75"
Connecting Rod Material:
Forged 4340 Steel
Connecting Rod Weight:
590 grams
Connecting Rod Bolt Diameter:
7/16"
Main Journal Diameter:
2.448"
Rod Journal Diameter:
2.10"
Bearing Construction:
Bi-metal
Bearing Undersize:
Standard
Narrowed Bearing:
Yes
Coated Bearing:
No
Sold in Quantity:
Kit

Info

These rotating assembly engine rebuild kits are designed for street use and include Keith Black forged pistons, Scat 4340 Pro-Comp I-beam rods, King connecting bearings, King main bearings, and a Scat 4340 forged crankshaft.

All Scat 4340 cranks are 2-piece rear main seal, internally balanced and weigh approximately 51-55 lbs.

These assemblies will require balancing either by us or your machine shop.  All kits can be internally balanced.

All balancing is done with our state-of-the-art Hines balancer by race mechanics with over 30 years of experience!  A kit purchased with the optional balance job will ship in 24-48 hours. 

Rings not included. Journals are standard size. Due to larger journal side radius on this aftermarket crankshaft, you must use Clevite H-series, King bearings or equivalent.

NOTE: Piston rings are not included and must be purchased separately

Notes

Kit includes:

  • Scat 4340 Forged Steel Crankshaft
    • Straight shot and chamfered oil holes
    • Nitride hardened and shot peened
    • Lightening holes in all rod throws
    • Large radius on all journals
  • Scat Pro Comp 4340 I-Beam Rods
    • Stroker clearanced
    • ARP 7/16" cap screw bolts
    • Bushed pin
    • 5.7" rod: 628 grams
    • Crank pin: 2.100"
    • Wrist pin: .927"
    • B.E. width: .940"
    • Set of 8 rods
  • KB Signature Series Forged Pistons
    • Dished
    • 2618 aluminum alloy construction
    • T-6 heat treated 
    • 4.000" bore pistons available in standard, .030, .040, or .060 sizes
    • 4.125" bore pistons available in standard, .030 or .040 sizes
  • King HP SBC Connecting Rod Bearings
    • Standard option: Rod bearing for Small Block Chevy, for 2.00" journal
    • 450°F heat threshold for superior protection against friction and overheating
    • Greater rod bearing height improves bearing-to-bore contact/heat transfer and reduces spin potential at high RPM
    • 40 Vickers hardness to resist overlay migration and extrusion
  • King HP Chevy 350 Main Bearings
    • Mains are 3/4 grooved for improved oiling to the rod journals
    • Greater rod bearing height improves bearing-to-bore contact/heat transfer and reduces spin potential at high RPM
    • 40 Vickers hardness to resist overlay migration and extrusion
    • 450°F heat threshold for superior protection against friction and overheating

Related Products

What's In The Kit

Each kit from Speedway Motors is carefully packaged and delivered right to your door. Below is a list of all the items you should expect to receive when you order this kit. Some of these items may also be available for sale individually if you're here looking for replacement parts.
  • Garage Sale - Icon Forged Chevy 383 Pistons - Dished
    Qty x 1
  • Scat 25700716 Small Block Chevy 4340 I-Beam Rods, 5.7 Inch, Bushed Pin
    Qty x 1
  • Scat 4-350-3750-5700 383 Chevy 4340 Forged Crankshaft, 3.75 Stroke
    Qty x 1
  • King HP Series Chevy 350/400 Large Journal Engine Rod Bearings, Std
    Qty x 1
  • King HP Series Chevy 350 Large Journal Engine Main Bearings-Standard
    Qty x 1

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